NPPES file of Aug 9, 2026

Randolph Simmons Thomas, MD

Internal Medicine Physician · Portland, ME

Randolph Simmons Thomas, MD is an internal medicine physician with a practice address in Portland, Maine, and NPI 1639337496, issued on May 29, 2008. Check the license (Maine MD19335, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639337496
Name
Randolph Simmons Thomas
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD19335 ME
048395 CT
Self-reported in NPPES; status is on the state search
Practice location
22 Bramhall St, Portland, ME 04102
Phone
(207) 662-4618
Enumerated
May 29, 2008
Record last updated
Nov 16, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20121022000042); accepts Medicare assignment
Medical or professional school
Medical College Of Georgia School Of Medicine, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 22 Bramhall St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
  2. Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
  3. Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
  4. Joshua Abrams, PA-CSurgical Physician Assistant1932832128
  5. Christopher Abruzzese, D.OAnesthesiology Physician1558789305
  6. Haley Acker, PA-CPhysician Assistant1972167377

Verify Randolph Simmons Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD19335
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% fewer Medicare Part D claims than the average internal medicine physician in 2024

623 Medicare Part D claims for 74 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Randolph Thomas623
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium38 claims
  2. Eliquis36 claims
  3. Losartan Potassium29 claims
  4. Metoprolol Succinate25 claims
  5. Amlodipine Besylate24 claims
  6. Allopurinol23 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. MainehealthPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Randolph Simmons Thomas among 597 internal medicine physician records in Maine

Randolph Simmons Thomas, MD is one of 597 internal medicine physician records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 61% of them.

  • NPI issued2008 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2006 · median 2005 among the 369 with a school on file
  • Record last updated2012 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

145 internal medicine physician records list a practice address in Portland

They are 145 of the 6,022 NPPES records with a practice address in Portland, and 597 internal medicine physician records in Maine.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Elizabeth Ackerson, MDPortland, ME 041021912920117
  2. Ari Berman, MDPortland, ME 041021225015829
  3. Kirsten Berman, M.D.Portland, ME 041021043280431
  4. Nananda Col, MDPortland, ME 041021104870377
  5. Heidi Deblock, M.D.Portland, ME 041021922095892
  6. Kathleen Fairfield, M.D.Portland, ME 041021992744353
  7. Steven Hess, MDPortland, ME 041021427099498
  8. Rabee Kiwan, MDPortland, ME 041021992784938

Common questions

What is Randolph Simmons Thomas, MD's NPI number?

Randolph Simmons Thomas, MD's National Provider Identifier (NPI) is 1639337496, issued on May 29, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Randolph Simmons Thomas, MD located?

The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-4618. Providers update this record themselves, so call before visiting.

How can I verify Randolph Simmons Thomas, MD's license?

NPPES lists Maine license number MD19335, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Randolph Simmons Thomas, MD prescribe under Medicare Part D?

In 2024, Randolph Simmons Thomas, MD had 623 Medicare Part D claims for 74 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.